software

I built a free mobile-friendly code error checker — PasteCheck

Published: (May 18, 2026 at 04:30 PM EDT)
1 min read
Source: Dev.to

Source: Dev.to

I got frustrated constantly copy‑pasting broken code into AI and getting inconsistent results. So I built PasteCheck.

You paste JavaScript, Python, or HTML and every error gets highlighted instantly. Tap any highlight to see what the issue is. No sign‑up, completely free, works well on mobile.

Would love feedback from developers:

https://www.pastecheck.co.uk

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#code error checker #syntax highlighting #JavaScript #Python #HTML #mobile-friendly #developer tools #PasteCheck
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